Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Italian due
← Proto-Indo-European *dwóh₁ (inherited)
← Proto-Italic *duō (inherited)
← Latin duae (inherited)
← Latin duo (mention)

→ Corsican dui (cognate)
→ Dalmatian doi (mention)
→ Friulian doi (cognate)
→ Ido du (derived)
→ Italian duecento (affix)
→ Italian ventidue (affix)
→ Italian trentadue (affix)
→ Italian quarantadue (affix)
→ Italian cinquantadue (affix)
→ Italian sessantadue (affix)
→ Italian settantadue (affix)
→ Italian ottantadue (affix)
→ Italian novantadue (affix)
→ Italian ambedue (mention)
→ Italian centodue (affix)
→ Italian trecentodue (affix)
→ Italian -esimo (mention)
→ Italian duerno (mention)
→ Italian adduare (affix)
→ Lombard duu (mention)
→ Norwegian Bokmål due (borrowed)
→ Norwegian Bokmål a due (borrowed)
→ Piedmontese doi (cognate)
→ Romanian doi (cognate)
→ Venetian du (cognate)
→ Venetian dó (cognate)